Indicate the complex ion which shows geometrical isomerism-
1. [Cr(H₂O)₄ Cl₂]⁺
2. [PT(NH₃)₃ Cl]
3. [Co(NH₃)₆]³⁺
4. [Co(CN)₆]^3-

Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type $\mathrm{Pd}{( {\mathrm{C}}_6{\mathrm{H}}_5 )}_2(\mathrm{NCS}{)}_2$ and $\left[Pd{\left(C_6{H}_5\right)}_2{\left(SCN\right)}_2\right]$ are

1. Linkage isomers   
2. Coordination isomers
3. Ionization isomers 
4. Geometrical isomers

The compounds [Co(SO${}_4$ (NH${}_3$)${}_5$ ]Br and [Co(SO${}_4$ (NH${}_3$)${}_5$ ]Cl classified as:

1. Linkage isomerism
2. Ionisation isomerism
3. Coordination isomerism
4. No isomerism

What kind of isomerism exists between [Cr(H₂O)₆]Cl₃(violet) and [Cr(H₂O)₅Cl]Cl₂⋅H₂O (greyish-green)?

1. Linkage isomerism

2. Solvate isomerism

3. lonisation isomerism

4. Coordination isomerism

Identify the correct statements for the behaviour of ethane -1, 2- diamine as a ligand.

(a) It is a neutral ligand

(b) It is a didentate ligand

(c) It is a chelating ligand

(d) It is a unidentate ligand

Choose the correct option
1. (a, b, c)
2. (b, c, d)
3. (a, c, d)
4. (a, b, d)

Which of the following complexes show linkage isomerism?

$\left(\mathrm{a}\right)\hspace{0.17em}{\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_5\left({\mathrm{NO}}_2\right)\right]}^{2+}$
$\left(\mathrm{b}\right) [\mathrm{Co}{\left({\mathrm{H}}_2\mathrm{O}\right)}_5\mathrm{CO}{]}^{3+}$
$\left(\mathrm{c}\right) [\mathrm{Cr}{\left({\mathrm{NH}}_3\right)}_5\mathrm{SCN}{]}^{2+}$
$\left(\mathrm{d}\right) {\left[\mathrm{Fe}{\left(\mathrm{en}\right)}_2{\mathrm{Cl}}_2\right]}^{+}$

Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)

Match the complex species given in Column I with the possible isomerism given in Column II and assign the correct code.

Codes

          A         B          C           D

1.       2          3           4           1

2.       3          1           5           2

3.       5          4           3           2

4.       4          1           2           3

Given below are two statements: 

Given below are two statements: